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Finding the Fourth Proportional to 6,475,654.98, 9,711,789.98 and 1,925,478.36

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Solution

The fourth proportional to 6,475,654.98, 9,711,789.98 and 1,925,478.36 is: 2,887,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,654.98 : 9,711,789.98 = 1,925,478.36 : x
  2. Step 2: Convert to fraction form
    6,475,654.98/9,711,789.98 = 1,925,478.36/x
  3. Step 3: Cross multiply
    6,475,654.98x = 9,711,789.98 × 1,925,478.36
  4. Step 4: Simplify right side
    6,475,654.98x = 18,699,841,433,727.44
  5. Step 5: Solve for x
    x = 18,699,841,433,727.44/6,475,654.98
  6. Step 6: Final answer
    x = 2,887,714.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.